EUCHNER CETx-AS-xxx-CB-xxx (Multicode) - Manual (Page 11)

Operating Instructions Safety Switch CET.-AS-...-CB-...
11
Emergency unlocking (can be retrofitted)
Important:
Ì Emergency unlocking is not a safety function.
Ì The machine manufacturer must select and use a suitable release (escape re-
lease, emergency unlocking, etc.) for a specific application. A risk assessment
appraisal is required for this purpose. It may be necessary to take specifications
from a product standard into account.
Ì The correct function must be checked at regular intervals.
Ì Loss of the release function due to mounting errors or damage during mounting.
Ì Check the release function every time after mounting.
Ì Loss of the release function due to tension on the actuator. The door must not
be under tension during release.
Ì Please observe the notes on any enclosed data sheets.
Emergency unlocking can be used to unlock guard locking, irrespective of the state
of the solenoid. For mounting, see the mounting supplement.
Using emergency unlocking
Important:
The door must not be under tension when emergency unlocking is actuated.
Ì Turn emergency unlocking clockwise until it clicks into place.
The lift tappet is extended and raises the actuator's guard locking pin over the
edge of the recess. The half-sequence is sent via AS-Interface input bits D0 and
D1 in every bus cycle.
¨ The safety device can be opened
To reset, press the detent bolt inward using a small screwdriver or similar tool and
turn the emergency unlocking back. 25
30,4
71
Detent bolt